The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 1989
Filed:
Nov. 13, 1986
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
364900 ; 364140 ;
Abstract
Data processing between selected I/O terminals is switched between processing by direct access to the I/O terminals and processing by indirect access through an image memory having a one-to-one correspondence to the I/O terminals.
Fujiwara, Katsuhiro. (1989). Programmable sequence controller having indirect and direct input/output (U.S. Patent No. 4807178). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4807178
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile